Napoleon Astound 50-in Linear Electric Fireplace - NEFB50AB
Napoleon Astound 50 — Smart Built-In Linear Electric Fireplace
The Astound 50 (NEFB50AB) is a large-format linear electric fireplace delivering up to 10,000 BTU of heat, ultra-realistic flame effects, and multiple media options. It features smart controls including voice, app, remote, and touch—perfect for creating dramatic ambiance with ease.
- Includes driftwood logs & woodland media; optional media kits (birch logs, mineral rock, etc.)
- Flip-down front glass for easy access to change media or maintenance
- 13 ember bed & top-light colors with adjustable brightness; multiple flame color options
- ECO mode for energy savings; BOOST mode for maximum heat and blower speed
Quick Facts
- Max Heat Output: 10,000 BTU / ~3,000 W
- Heats up to: ~800 sq ft
- Voltage: 120 V / 240 V dual-voltage hard-wired
- Dimensions: 50.25″ W × 25.75″ H × 12.31″ D
- Viewing Area: 45.75″ W × 17.50″ H
- Warranty: 2-Year Limited
Technical Specifications
| Brand | Napoleon |
|---|---|
| Model | Astound 50 (NEFB50AB) |
Performance
| Heating Output | 10,000 BTU (3 kW) |
|---|---|
| Electrical Supply | 120 V / 240 V hard-wired |
| Heating Area | Up to ~800 sq ft |
| Flame/Light Features | 13 ember/top-light colors, multiple flame color options (orange, yellow, combined); flip-down glass for media access |
Materials & IDs
| Dimensions (W×H×D) | 50.25″ × 25.75″ × 12.31″ |
|---|---|
| Viewing Area | 45.75″ × 17.50″ |
| Framing / Rough Opening | 50.75″ W × 26.25″ H × 13.00″ D |
| Weight | 132 lb |
| Warranty Term | 2 years (parts & coverage) |
Documents (PDF): —
FAQs
Does this require venting?
No—Astound 50 is an electric fireplace and requires no chimney or external vent.
Can I control it with voice or app?
Yes—you can use the Napoleon Home App or voice assistants (Google/Alexa), plus a remote and touch controls.
What heat modes does it have?
It has ECO mode for lower heat and energy savings, and BOOST mode for maximum heat and blower performance.
Can the flames run without heat?
Yes—the flame effect can be used independently of the heater for ambiance year-round.
How large is the viewing window?
The clear viewing area is 45.75″ × 17.50″, offering a wide panoramic flame display.
What voltage does it work with?
Dual-voltage: supports 120 V or 240 V hard-wired installations.
What is the warranty?
2-Year Limited manufacturer warranty.
Warranty
Napoleon Astound 50 (NEFB50AB) — Manufacturer terms: 2-Year Limited Warranty.
Coverage
| Component | Term | Notes |
|---|---|---|
| Entire unit (electrical & media) | 2 years | Covers defects in materials or workmanship under normal residential use. |
Exclusions & Conditions
- Damage resulting from misuse, over-heating, or improper installation will void coverage.
- Warranty applies only to the original purchaser; proof of purchase required.
- Labor or shipping costs are not covered unless specifically stated.
How to Make a Warranty Claim
- Keep your proof of purchase and model/serial information.
- Contact PureFlameCo Support with photos and issue description.
- Obtain authorization from Napoleon before repair or parts replacement.
If you need the official warranty PDF or full terms, contact us or see Napoleon’s documentation.
Manuals & Installation
Pre-Install Checklist
- Ensure a dedicated 15 A circuit at 120 V or 240 V, hard-wired per local electrical code.
- Frame rough opening to 50.75″ W × 26.25″ H × 13″ D (minimum framing dimensions).
- Allow front access for the flip-down glass for changing media and cleaning.
- Provide sufficient clearance for front and top vents; maintain airflow.
- Ensure wall structure can support the approx. 132 lb unit.
Compliance & Safety
Install per Napoleon’s instructions and local building/electrical codes to ensure safety and maintain warranty.
Use only included or manufacturer-approved media and trim components.
Flame and ember effects reach high temperatures; avoid touching heated surfaces and follow warnings in the manual.